/Engine/Source/Runtime/Engine/Classes/Animation/Skeleton.h
Find a mesh linkup table (mapping of skeleton bone tree indices to refpose indices) for a particular SkinnedAsset If one does not already exist, create it now.
int32 GetMeshLinkupIndex ( const [USkinnedAsset](API\Runtime\Engine\Engine\USkinnedAsset) * InSkinnedAsset )